Hello, Erik. about memory usage... DateField takes string of 9 bytes in memory ('000ic64p7') How much memory will be taken by this string?
How much memory will be taken by integer? EH> Sorting by String uses up lots more RAM than a numeric sort. If you EH> use a numeric (yet lexicographically orderable) date format (e.g. EH> YYYYMMDD) you'll see better performance most likely. EH> Erik EH> On Feb 24, 2005, at 1:01 PM, Yura Smolsky wrote: >> Hello, lucene-user. >> >> I have index with many documents, more than 40 Mil. >> Each document has DateField (It is time stamp of document) >> >> I need the most recent results only. I use single instance of >> IndexSearcher. >> When I perform sorted search on this index: >> Sort sort = new Sort(); >> sort.setSort( new SortField[] { new SortField ("modified", >> SortField.STRING, true) } ); >> Hits hits = >> searcher.search(QueryParser.parse("good", "content", >> StandardAnalyzer()), sort); >> >> then search speed is not good. >> >> Today I have tried search without "sort by modified", but with sort by >> Relevance. Speed was much better! >> >> I think that Sort by DateField is very slow. Maybe I do something >> wrong about this kind of sorted search? Can you give me advices about >> this? >> >> Thanks. >> >> Yura Smolsky. >> >> >> >> --------------------------------------------------------------------- >> To unsubscribe, e-mail: [EMAIL PROTECTED] >> For additional commands, e-mail: >> [EMAIL PROTECTED] EH> --------------------------------------------------------------------- EH> To unsubscribe, e-mail: [EMAIL PROTECTED] EH> For additional commands, e-mail: EH> [EMAIL PROTECTED] Yura Smolsky. --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]